Quantitative Self-Sensitized Photooxidation of 1,2-Diarylcyclobutene Derivatives by Singlet Oxygen

Joël Kühni; Jean-Luc Debieux; Peter Belser

doi:10.1055/s-2007-966007

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Synthesis 2007(9): 1421-1425
DOI: 10.1055/s-2007-966007

PAPER

Quantitative Self-Sensitized Photooxidation of 1,2-Diarylcyclobutene Derivatives by Singlet Oxygen

Joël Kühni, Jean-Luc Debieux, Peter Belser*
Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
Fax: +41(26)3009738; e-Mail: Peter.Belser@unifr.ch ;

Further Information

Publication History

Received 27 February 2007
Publication Date:
05 April 2007 (online)

Abstract
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Abstract

Ligands 1 and 2 underwent quantitative photooxidation when they were reacted with singlet oxygen sensitized by methylene blue. However, the quantitative reaction became self-sensitized for the compound Ru(1) wherein the ruthenium complex acted as a sensitizer.

Key words

complexes - heterocycles - ligands - photooxidation - ruthenium

References

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Kühni, J.; Belser, P. Org. Lett., accepted for publication.